NCC these words currently don’t mean anything.

Land cover is similar to its surroundings.
Forest cover is lower than its surroundings.
Forest disturbances are lower than its surroundings.
Forest structure is comparable to its surroundings.
Human habitation is lower than its surroundings.
Terrain is different than its surroundings.

Land Cover

Forest Cover

Forest Disturbances

Forest Structural Metrics

Basal Area

Canopy Structure (Elevation Covariance)

Gross Stem Volume

Canopy Height

Canopy Cover

Human Habitation

Terrain

Elevation

Slope

Aspect